X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fe1000%2Fem_rxtx.c;h=31819c5bd51be4cd92f59386821a931ac3267364;hb=79f26987f95da6c787666c763274c88284a3b601;hp=441ccad8c13b3d6f28632046a080dba1f056c137;hpb=d6b324c00fc933f757e68c54c0e50c92826d83f0;p=dpdk.git

diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
index 441ccad8c1..31819c5bd5 100644
--- a/drivers/net/e1000/em_rxtx.c
+++ b/drivers/net/e1000/em_rxtx.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -56,7 +56,6 @@
 #include <rte_lcore.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
-#include <rte_ring.h>
 #include <rte_mempool.h>
 #include <rte_malloc.h>
 #include <rte_mbuf.h>
@@ -67,6 +66,7 @@
 #include <rte_udp.h>
 #include <rte_tcp.h>
 #include <rte_sctp.h>
+#include <rte_net.h>
 #include <rte_string_fns.h>
 
 #include "e1000_logs.h"
@@ -78,15 +78,13 @@
 
 #define E1000_RXDCTL_GRAN	0x01000000 /* RXDCTL Granularity */
 
-static inline struct rte_mbuf *
-rte_rxmbuf_alloc(struct rte_mempool *mp)
-{
-	struct rte_mbuf *m;
+#define E1000_TX_OFFLOAD_MASK ( \
+		PKT_TX_IP_CKSUM |       \
+		PKT_TX_L4_MASK |        \
+		PKT_TX_VLAN_PKT)
 
-	m = __rte_mbuf_raw_alloc(mp);
-	__rte_mbuf_sanity_check_raw(m, 0);
-	return m;
-}
+#define E1000_TX_OFFLOAD_NOTSUP_MASK \
+		(PKT_TX_OFFLOAD_MASK ^ E1000_TX_OFFLOAD_MASK)
 
 /**
  * Structure associated with each descriptor of the RX ring of a RX queue.
@@ -621,12 +619,49 @@ end_of_tx:
 	PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u tx_tail=%u nb_tx=%u",
 		(unsigned) txq->port_id, (unsigned) txq->queue_id,
 		(unsigned) tx_id, (unsigned) nb_tx);
-	E1000_PCI_REG_WRITE(txq->tdt_reg_addr, tx_id);
+	E1000_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, tx_id);
 	txq->tx_tail = tx_id;
 
 	return nb_tx;
 }
 
+/*********************************************************************
+ *
+ *  TX prep functions
+ *
+ **********************************************************************/
+uint16_t
+eth_em_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+		uint16_t nb_pkts)
+{
+	int i, ret;
+	struct rte_mbuf *m;
+
+	for (i = 0; i < nb_pkts; i++) {
+		m = tx_pkts[i];
+
+		if (m->ol_flags & E1000_TX_OFFLOAD_NOTSUP_MASK) {
+			rte_errno = -ENOTSUP;
+			return i;
+		}
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+		ret = rte_validate_tx_offload(m);
+		if (ret != 0) {
+			rte_errno = ret;
+			return i;
+		}
+#endif
+		ret = rte_net_intel_cksum_prepare(m);
+		if (ret != 0) {
+			rte_errno = ret;
+			return i;
+		}
+	}
+
+	return i;
+}
+
 /*********************************************************************
  *
  *  RX functions
@@ -639,7 +674,8 @@ rx_desc_status_to_pkt_flags(uint32_t rx_status)
 	uint64_t pkt_flags;
 
 	/* Check if VLAN present */
-	pkt_flags = ((rx_status & E1000_RXD_STAT_VP) ?  PKT_RX_VLAN_PKT : 0);
+	pkt_flags = ((rx_status & E1000_RXD_STAT_VP) ?
+		PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED : 0);
 
 	return pkt_flags;
 }
@@ -729,7 +765,7 @@ eth_em_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 			   (unsigned) rx_id, (unsigned) status,
 			   (unsigned) rte_le_to_cpu_16(rxd.length));
 
-		nmb = rte_rxmbuf_alloc(rxq->mb_pool);
+		nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
 		if (nmb == NULL) {
 			PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
 				   "queue_id=%u",
@@ -909,7 +945,7 @@ eth_em_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 			   (unsigned) rx_id, (unsigned) status,
 			   (unsigned) rte_le_to_cpu_16(rxd.length));
 
-		nmb = rte_rxmbuf_alloc(rxq->mb_pool);
+		nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
 		if (nmb == NULL) {
 			PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
 				   "queue_id=%u", (unsigned) rxq->port_id,
@@ -1400,11 +1436,6 @@ eth_em_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	struct em_rx_queue *rxq;
 	uint32_t desc = 0;
 
-	if (rx_queue_id >= dev->data->nb_rx_queues) {
-		PMD_RX_LOG(DEBUG, "Invalid RX queue_id=%d", rx_queue_id);
-		return 0;
-	}
-
 	rxq = dev->data->rx_queues[rx_queue_id];
 	rxdp = &(rxq->rx_ring[rxq->rx_tail]);
 
@@ -1437,6 +1468,57 @@ eth_em_rx_descriptor_done(void *rx_queue, uint16_t offset)
 	return !!(rxdp->status & E1000_RXD_STAT_DD);
 }
 
+int
+eth_em_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+	struct em_rx_queue *rxq = rx_queue;
+	volatile uint8_t *status;
+	uint32_t desc;
+
+	if (unlikely(offset >= rxq->nb_rx_desc))
+		return -EINVAL;
+
+	if (offset >= rxq->nb_rx_desc - rxq->nb_rx_hold)
+		return RTE_ETH_RX_DESC_UNAVAIL;
+
+	desc = rxq->rx_tail + offset;
+	if (desc >= rxq->nb_rx_desc)
+		desc -= rxq->nb_rx_desc;
+
+	status = &rxq->rx_ring[desc].status;
+	if (*status & E1000_RXD_STAT_DD)
+		return RTE_ETH_RX_DESC_DONE;
+
+	return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+eth_em_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+	struct em_tx_queue *txq = tx_queue;
+	volatile uint8_t *status;
+	uint32_t desc;
+
+	if (unlikely(offset >= txq->nb_tx_desc))
+		return -EINVAL;
+
+	desc = txq->tx_tail + offset;
+	/* go to next desc that has the RS bit */
+	desc = ((desc + txq->tx_rs_thresh - 1) / txq->tx_rs_thresh) *
+		txq->tx_rs_thresh;
+	if (desc >= txq->nb_tx_desc) {
+		desc -= txq->nb_tx_desc;
+		if (desc >= txq->nb_tx_desc)
+			desc -= txq->nb_tx_desc;
+	}
+
+	status = &txq->tx_ring[desc].upper.fields.status;
+	if (*status & E1000_TXD_STAT_DD)
+		return RTE_ETH_TX_DESC_DONE;
+
+	return RTE_ETH_TX_DESC_FULL;
+}
+
 void
 em_dev_clear_queues(struct rte_eth_dev *dev)
 {
@@ -1561,7 +1643,7 @@ em_alloc_rx_queue_mbufs(struct em_rx_queue *rxq)
 	/* Initialize software ring entries */
 	for (i = 0; i < rxq->nb_rx_desc; i++) {
 		volatile struct e1000_rx_desc *rxd;
-		struct rte_mbuf *mbuf = rte_rxmbuf_alloc(rxq->mb_pool);
+		struct rte_mbuf *mbuf = rte_mbuf_raw_alloc(rxq->mb_pool);
 
 		if (mbuf == NULL) {
 			PMD_INIT_LOG(ERR, "RX mbuf alloc failed "